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Precision Test of Mass Ratio Variations with Lattice-Confined Ultracold Molecules

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 نشر من قبل Jun Ye
 تاريخ النشر 2007
  مجال البحث فيزياء
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We propose a precision measurement of time variations of the proton-electron mass ratio using ultracold molecules in an optical lattice. Vibrational energy intervals are sensitive to changes of the mass ratio. In contrast to measurements that use hyperfine-interval-based atomic clocks, the scheme discussed here is model-independent and does not require separation of time variations of different physical constants. The possibility of applying the zero-differential-Stark-shift optical lattice technique is explored to measure vibrational transitions at high accuracy.



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